Home / 7,947.05-11,920.97-3,014.96

Finding the Fourth Proportional to 7,947.05, 11,920.97 and 3,014.96

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Solution

The fourth proportional to 7,947.05, 11,920.97 and 3,014.96 is: 4,522.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,947.05 : 11,920.97 = 3,014.96 : x
  2. Step 2: Convert to fraction form
    7,947.05/11,920.97 = 3,014.96/x
  3. Step 3: Cross multiply
    7,947.05x = 11,920.97 × 3,014.96
  4. Step 4: Simplify right side
    7,947.05x = 35,941,195.64
  5. Step 5: Solve for x
    x = 35,941,195.64/7,947.05
  6. Step 6: Final answer
    x = 4,522.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.